The PGA consists of the differential amplifier with variable source degeneration resistor and the DC-offset correction circuit.
该可编程增益放大器采用源极反馈电阻可变的差分放大器结构，且带有直流漂移校正电路。
Applying the correction coefficient of heat load, the formula on supply and return water temperature in variable temperature control with varied flow is corrected.
应用热负荷修正系数，对变流量质调节供回水温度公式进行了修正。
A technique of variable-error iterative searching solution for equivalent formation conductivity is developed. The accuracy and stability of borehole correction are improved.
通过优选建立了等效地层电导率变误差迭代搜索方法，提高了井眼环境校正的精度和稳定性。
The kernel control module is used for controlling the variable-frequency contravariant module and the power factor correction module;
核心控制模块，用于控制变频逆变 模块和功率因数矫正模块；
The kernel control module is used for controlling the variable-frequency contravariant module and the power factor correction module;
核心控制模块，用于控制变频逆变 模块和功率因数矫正模块；
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